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    Debian LTS: DLA-2529-1: mutt security update

    Date 20 Jan 2021
    426
    Posted By LinuxSecurity Advisories
    rfc822.c in Mutt through 2.0.4 allows remote attackers to cause a denial of service (mailbox unavailability) by sending email messages with sequences of semicolon characters in RFC822 address fields (aka terminators of empty groups).
    
    - -----------------------------------------------------------------------
    Debian LTS Advisory DLA-2529-1              This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/lts/security/                      Utkarsh Gupta
    January 21, 2021                            https://wiki.debian.org/LTS
    - -----------------------------------------------------------------------
    
    Package        : mutt
    Version        : 1.7.2-1+deb9u5
    CVE ID         : CVE-2021-3181
    Debian Bug     : 980326
    
    rfc822.c in Mutt through 2.0.4 allows remote attackers to
    cause a denial of service (mailbox unavailability) by sending
    email messages with sequences of semicolon characters in
    RFC822 address fields (aka terminators of empty groups).
    
    A small email message from the attacker can cause large
    memory consumption, and the victim may then be unable to
    see email messages from other persons.
    
    For Debian 9 stretch, this problem has been fixed in version
    1.7.2-1+deb9u5.
    
    We recommend that you upgrade your mutt packages.
    
    For the detailed security status of mutt please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/mutt
    
    Further information about Debian LTS security advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://wiki.debian.org/LTS
    

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